SRU Request:

Impact: Users who remotely connect to a server that has "0.0.0.0" as the
vnc listen interface cannot use the remote console. This is a regression
from previous ubuntu releases.

Development fix: This was fixed in Quantal by adding "0.0.0.0" to the
list of exceptions in the fix_listen_address.patch patch.

Stable fix: A minimal debdiff was prepared to fix Precise in the same
fashion.

Test Case:
1- Prepare remote libvirt server with a VM that has VNC configured to listen on 
all interfaces (0.0.0.0)
2- Using a Precise machine, attempt to connect using virt-manager, and open the 
VM's display
3- This should not result in an error message saying that "0.0.0.0" cannot be 
reached

Regression potential:
If there is something wrong with this simple fix, it would only affect remote 
libvirt users.

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https://bugs.launchpad.net/bugs/837275

Title:
  Error: viewer connection to hypervisor host got refused or
  disconnected!

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